79102211011 has 2 divisors, whose sum is σ = 79102211012. Its totient is φ = 79102211010.

The previous prime is 79102211009. The next prime is 79102211017. The reversal of 79102211011 is 11011220197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79102211011 - 2¹ = 79102211009 is a prime.

Together with 79102211009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79102211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39551105505 + 39551105506.

It is an arithmetic number, because the mean of its divisors is an integer number (39551105506).

Almost surely, 2^79102211011 is an apocalyptic number.

79102211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

79102211011 is an equidigital number, since it uses as much as digits as its factorization.

79102211011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 79102211011 in words is "seventy-nine billion, one hundred two million, two hundred eleven thousand, eleven".